plaster of Paris


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plaster

 [plas´ter]
1. a mixture of materials that hardens; used for immobilizing or making impressions of body parts.
2. an adhesive substance spread on fabric or other suitable backing material, for application to the skin, often containing some medication, such as an analgesic or local vasodilator.
plaster of Paris calcium sulfate dihydrate, reduced to a fine powder; the addition of water produces a porous mass used in making casts and bandages to support or immobilize body parts, and in dentistry for making study models.

plas·'ter of Par·is

exsiccated calcium sulfate from which the water of crystallization has been expelled by heat, but which, when mixed with water, will form a paste that subsequently sets.

plaster of Paris

n.
Any of a group of gypsum cements, essentially hemihydrated calcium sulfate, CaSO4· 1/2 H2O, a white powder that forms a paste when it is mixed with water and then hardens into a solid, used in making casts, molds, and sculpture.

plaster of paris

Etymology: Gk, emplastron, plaster; Paris, France
a white powder, calcium sulfate hemihydrate, that is mixed with water to make a paste that can be molded to encase a body part.

plas·ter of Par·is

(plas'tĕr par'is)
Any of a group of gypsum cements, essentially hemihydrated calcium sulfate, a white powder that forms a paste when mixed with water and then hardens into a solid; used in making casts, molds, and sculpture.
[L. plastrum, plaster + Paris, France]

plaster of Paris

A white powder of dried calcium sulphate dihydrate which, mixed with water, gives off heat and hardens. Reinforced with loose bandage it forms a strong and useful support (CAST) or dental mould.

Paris,

city in France.
plaster of Paris - a gypsum material used for making casts.

plas·ter of Par·is

(plas'tĕr par'is)
Exsiccated calcium sulfate from which water of crystallization has been expelled by heat, but which, when mixed with water, forms a paste that then sets.
[L. plastrum, plaster + Paris, France]

plaster

1. a mixture of materials that hardens; used for immobilizing or making impressions of body parts.
2. an adhesive substance spread on fabric or other suitable backing material, for application to the skin, often containing some medication, such as an anodyne or rubefacient.

plaster cast
see cast (5).
plaster of Paris
calcium sulfate dihydrate, reduced to a fine powder; the addition of water produces a porous mass used in making casts and bandages to support or immobilize body parts.
plaster rolls
the dry material for constructing plaster casts is packaged as rolls of impregnated gauze which is thoroughly soaked in water before being applied by unrolling around the site of the fracture.
plaster shears
special shears to cut plaster of Paris casts. Designed to cut upwards away from the tissues to avoid injury. Called also plaster scissors, Esmarch plaster shears.
plaster spreader
a reverse pincer device with flat blades that are fitted down into a cut made in a plaster cast that is to be removed. Opening the handles forces the plaster apart.
References in periodicals archive ?
We are advising people to use common sense and not to stick their fingers or other body parts into plaster of Paris.
Master moulds from which the plaster of Paris moulds were made were used over and over again, reducing the definition of the finished articles, coloured glazes were cheaper and duller and the overall appeal of models deteriorated.
Explain that this substance will help the hardened plaster of paris slide off the shell.
Other than that, gold, silver, plywood, plaster of Paris (POP) have also been used," said a diamond trader, Rajiv Joshi.
Different naturally occurring materials such as bauxite, plastic clay, plaster of Paris, lime, alum, and alumina etc.
Zawawi Minerals has established a joint venture with the USG Group of the United States to set up a manufacturing plant in the Salalah Free Zone for gypsum board and plaster of Paris manufacture.
I simply mix one part Plaster of Paris to three parts raw oatmeal.
Treatment has centered on application of splint, plaster of paris bandage or fiber glass cast with varied success (Cihan et al.
Mumbai An anti-superstition organisation fighting for a ban on the use of Plaster of Paris (PoP) to make Ganesh idols is finally heaving a sigh of relief that the court has come in its favour to protect the environment.
A school was ordered to pay pounds 19,000 yesterday after a 16-year-old girl lost most of her fingers when she put her hands in a bucket of plaster of Paris during a school art lesson.
A SCHOOL has been ordered to pay pounds 19,000 after a 16-year-old girl lost most of her fingers when she put her hands in a bucket of plaster of Paris during a school art lesson.
Moreover, this product can be used on wood finishes, plaster of Paris and clay accessories which are growing industries.